For the U.S., Kerry is to sign the agreement Friday and then President Obama will ratify it before he leaves office in December, a senior U.S. official told CBS News in a conference call this week.
Time Frame. The average dolphin species can stay underwater for as long as eight to 10 minutes; some can remain submerged while holding their breath for 15 minutes. Dolphins breathe through their blowhole, which has a muscular flap that covers it when they go under water, keeping water out of their lungs. Size.
On an average, a person can hold his or her breath underwater for a very short period of time that is approximately between 45 seconds and 75 seconds (or one minute and fifteen seconds).est Answer: People tend to hold their breath for a longer period of time when they are underwater then they do when they are on land. The current world record for breathing underwater stands at a mere two seconds short of nine minutes, that is at eight minutes and 58 seconds.